.How many of us a meeting that has nothing to do with us is not important at all.
A. attending
B. to attend
C. have attended
D. attend
网友回答
(答案→)A. attending
B. to attend
C. have attended
D. attend
解析：考查动名词做主语：句意：多少人参加一个对我们不重要的会议和我们没有关系。这里选attending是因为“attending a meeting that is not important to us”做整句话的主语，how many of us是动名词的逻辑主语，选A。